diff --git a/.buildkite/pipeline.yml b/.buildkite/pipeline.yml
index 2f6c4218..31f6f876 100644
--- a/.buildkite/pipeline.yml
+++ b/.buildkite/pipeline.yml
@@ -1,4 +1,16 @@
 steps:
   - label: check trailing whitespace
     commands:
-    - .buildkite/check-trailing-whitespace.sh
+      - .buildkite/check-trailing-whitespace.sh
+  - label: backend server
+    commands:
+      - nix-build -A packages.x86_64-linux.backend-server
+  - label: backend lib
+    commands:
+      - nix-build -A packages.x86_64-linux.backend-lib
+  - label: backend test
+    commands:
+      - nix-build -A checks.x86_64-linux.backend-test
+  - label: backend hlint
+    commands:
+      - nix-shell --run 'hlint backend -j'
diff --git a/backend/default.nix b/backend/default.nix
new file mode 100644
index 00000000..03281220
--- /dev/null
+++ b/backend/default.nix
@@ -0,0 +1,15 @@
+{ haskell-nix }:
+let
+  project = haskell-nix.stackProject {
+    src = haskell-nix.haskellLib.cleanGit {
+      src = haskell-nix.cleanSourceHaskell { src = ./.; };
+    };
+  };
+
+  library = project.edna.components.library;
+  server = project.edna.components.exes.edna-server;
+  test = project.edna.checks.edna-test;
+
+in {
+  inherit server library test;
+}
diff --git a/default.nix b/default.nix
new file mode 100644
index 00000000..1ef8a22a
--- /dev/null
+++ b/default.nix
@@ -0,0 +1,4 @@
+(import (fetchTarball
+  "https://github.com/edolstra/flake-compat/archive/master.tar.gz") {
+    src = builtins.fetchGit ./.;
+  }).defaultNix
diff --git a/flake.lock b/flake.lock
new file mode 100644
index 00000000..b322e898
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,162 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "locked": {
+        "lastModified": 1610051610,
+        "narHash": "sha256-U9rPz/usA1/Aohhk7Cmc2gBrEEKRzcW4nwPWMPwja4Y=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "3982c9903e93927c2164caa727cd3f6a0e6d14cc",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "hackage": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1613956326,
+        "narHash": "sha256-SNctpqflg0NKecvS8FcPGQDdPnr3cDzMRLZq+MwKWp0=",
+        "owner": "input-output-hk",
+        "repo": "hackage.nix",
+        "rev": "0c7c981d0512a8759d5381cd8b17ea00e289517f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "input-output-hk",
+        "repo": "hackage.nix",
+        "type": "github"
+      }
+    },
+    "haskell-nix": {
+      "inputs": {
+        "nixpkgs": "nixpkgs",
+        "nixpkgs-2003": "nixpkgs-2003",
+        "nixpkgs-2009": "nixpkgs-2009",
+        "nixpkgs-unstable": "nixpkgs-unstable"
+      },
+      "locked": {
+        "lastModified": 1613996756,
+        "narHash": "sha256-J6JbKCqzpJhlHT3+44vjcvkoX1qJSzOzM31xpS38ysY=",
+        "owner": "input-output-hk",
+        "repo": "haskell.nix",
+        "rev": "c4e5aea19b2436670524a230a0e5e959c8923fd1",
+        "type": "github"
+      },
+      "original": {
+        "owner": "input-output-hk",
+        "repo": "haskell.nix",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1608007629,
+        "narHash": "sha256-lipVFC/a2pzzA5X2ULj64je+fz1JIp2XRrB5qyoizpQ=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "f02bf8ffb9a5ec5e8f6f66f1e5544fd2aa1a0693",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "f02bf8ffb9a5ec5e8f6f66f1e5544fd2aa1a0693",
+        "type": "github"
+      }
+    },
+    "nixpkgs-2003": {
+      "locked": {
+        "lastModified": 1607708579,
+        "narHash": "sha256-QyADEDydJJPa8n3xawnA82IJAcZHNNm6Pp5DU7exMr4=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "7f73e46625f508a793700f5110b86f1a53341d6e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "7f73e46625f508a793700f5110b86f1a53341d6e",
+        "type": "github"
+      }
+    },
+    "nixpkgs-2009": {
+      "locked": {
+        "lastModified": 1608007629,
+        "narHash": "sha256-lipVFC/a2pzzA5X2ULj64je+fz1JIp2XRrB5qyoizpQ=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "f02bf8ffb9a5ec5e8f6f66f1e5544fd2aa1a0693",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "f02bf8ffb9a5ec5e8f6f66f1e5544fd2aa1a0693",
+        "type": "github"
+      }
+    },
+    "nixpkgs-unstable": {
+      "locked": {
+        "lastModified": 1612284693,
+        "narHash": "sha256-efzJNF1jvjK3BMl0gZ0ZaUWcFMv0nLb9AHN/++5+u0U=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "410bbd828cdc6156aecd5bc91772ad3a6b1099c7",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "410bbd828cdc6156aecd5bc91772ad3a6b1099c7",
+        "type": "github"
+      }
+    },
+    "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1613641638,
+        "narHash": "sha256-dZM2usljlkGNU1krgBXRsQ2tHWZExFPnvecullGe504=",
+        "owner": "serokell",
+        "repo": "nixpkgs",
+        "rev": "8a1d9e6a3596d340636eccbbc2cdf7429d4af632",
+        "type": "github"
+      },
+      "original": {
+        "owner": "serokell",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "hackage": "hackage",
+        "haskell-nix": "haskell-nix",
+        "nixpkgs": "nixpkgs_2",
+        "stackage": "stackage"
+      }
+    },
+    "stackage": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1613437366,
+        "narHash": "sha256-EIMjXbwx41TNR/dWEWJrKbO61h17tzLDNwTheTXrHJU=",
+        "owner": "input-output-hk",
+        "repo": "stackage.nix",
+        "rev": "aba6cc7066d2f5d1179284d708e11751f1c1be78",
+        "type": "github"
+      },
+      "original": {
+        "owner": "input-output-hk",
+        "repo": "stackage.nix",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 00000000..718682df
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,37 @@
+{
+  inputs = {
+    nixpkgs.url = "github:serokell/nixpkgs";
+    haskell-nix.url = "github:input-output-hk/haskell.nix";
+    flake-utils.url = "github:numtide/flake-utils";
+
+    hackage = {
+      url = "github:input-output-hk/hackage.nix";
+      flake = false;
+    };
+
+    stackage = {
+      url = "github:input-output-hk/stackage.nix";
+      flake = false;
+    };
+  };
+
+  outputs = { self, nixpkgs, haskell-nix, hackage, stackage, flake-utils }:
+    flake-utils.lib.eachSystem [ "x86_64-linux" ] (system:
+      let
+        pkgs = nixpkgs.legacyPackages.${system}.extend haskell-nix.overlay;
+        backend = pkgs.callPackage ./backend { };
+      in {
+        defaultPackage = self.packages.${system}.backend-server;
+        packages = {
+          backend-lib = backend.library;
+          backend-server = backend.server;
+        };
+
+        checks.backend-test = backend.test;
+
+        devShell = pkgs.mkShell {
+          inputsFrom = [ self.packages.${system}.backend-lib ];
+          buildInputs = with pkgs.haskellPackages; [ cabal-install hpack hlint ];
+        };
+      });
+}
diff --git a/shell.nix b/shell.nix
new file mode 100644
index 00000000..9a25fabd
--- /dev/null
+++ b/shell.nix
@@ -0,0 +1,4 @@
+(import (fetchTarball
+  "https://github.com/edolstra/flake-compat/archive/master.tar.gz") {
+    src = builtins.fetchGit ./.;
+  }).shellNix